Hellman, J. A. 1. (2003). The riddle of distance education: Promise, problems and applications for development. Geneva, Switzerland: United Nations Research Institute for Social Development.
Chicago Style CitationHellman, Judith Adler 1945-. The Riddle of Distance Education: Promise, Problems and Applications for Development. Geneva, Switzerland: United Nations Research Institute for Social Development, 2003.
MLA CitationHellman, Judith Adler 1945-. The Riddle of Distance Education: Promise, Problems and Applications for Development. Geneva, Switzerland: United Nations Research Institute for Social Development, 2003.
Warning: These citations may not always be 100% accurate.